1. The raw material of the body is Nylon PA(UL file NO: E240925)2. The raw material of the seal is NBR and EPDM3. The IP protection is IP68 adding 0 ring4. Temperature range of the material: From -40 degree to 100 degree if in quiet position, and can be up to 120 degree in a short time. -20 degree to 80 degree if in dynamic position, and can be up to 100 degree in a short time.5. Approval(documents): SGS(Rohs) and CE approval